Hearts of Iron III is a grand strategy wargame by Paradox Interactive that is the sequel to the previous Hearts of Iron games. Hearts of Iron 3 will allow the player to take control of almost any nation that existed or even plausibly could have existed during the period of 1936?1948, guiding it through World War II. A variety of decisions regarding the armed forces, production, research, diplomacy and politics is the focus of the game.

The third installment in the critically acclaimed Hearts of Iron series, this game focuses on satisfying veteran players through a multitude of brand new features and systems, including a huge map with more than 14,000 provinces. Put your battle plans into action and take control of countries ranging from larger superpowers such as Russia or the United States, to smaller nations such as Costa Rica.